I was scrolling this thread to see if anyone posted thisTrying not to read between the lines too hard here but it appears that he's telling JG that if he screws up one more time, he's gone. That's the only thing I can think of to justify putting another quarterback into the scrimmage for the entire time yet saying the key is not your starting quarterback. It looks like it's pretty much a foregone conclusion. This is starting to smell like a coach getting fired. They're not going to say it yet but they're already looking for a new coach behind the scenes.
My guess is CJP with Harrison Bailey taking all the snaps in Sundays practice is sending a message to Guarantano to get better or move on.